Question:

Could someone find the coordinates of any local maxima of the equation x^3-4x?

by  |  earlier

0 LIKES UnLike

Think about when the derivative is positive and when it is negative

Also please show how you came to answer

 Tags:

   Report
Answer The Question I've Same Question Too

1 ANSWERS

Sort By: Date  |  Rating

  1. The derivative is 3x^2 - 4.

    This is zero when x = +/- sqrt(4 / 3).

    The second derivative is 6x.

    When x = sqrt(4 / 3), 6x > 0 indicating a minimum.

    When x = - sqrt(4 / 3). 6x < 0 indicating a maximum.

You're reading: Could someone find the coordinates of any local maxima of the equation x^3-4x?

Question Stats

Latest activity: earlier.
This question has 1 answers.

BECOME A GUIDE

Share your knowledge and help people by answering questions.
Register Now